Debugging
truss executable
/* Trace doing of given command ( useful debugging ) */
truss -f -p <pid of a shell>
/* Using multiple windows, this can be used to trace setuid/setgid programs */
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Arp, ethernet trouble shooting
arp -a .
/* Shows the ethernet address arp table */
arp -d myhost
/* Delete a stale ethernet entry for host myhost */
Disk Commands
du -k .
/* Reports disk space used in Kilobytes */
du -sk .
/* Reports only total disk space used in Kilobytes */
du -ad /var | sort -nr
/* Tells you how big the /var files are in reverse order */
fdformat -d -U
/* Format diskette */
/usr/bin/iostat -E
/* Command to display drives statistics */
/bin/mount -F hsfs -o ro /dev/sr0 /cdrom
/* Mount an ISO 9660 CDROM */
prtvtoc /dev/rdsk/c0t0d0s2
/* Disk geometry and partitioning info */
quot -af
/* How much space is used by users in kilobytes */
Driver Parameters
ndd /dev/ip \?
/* Shows IP variables in the kernel */
ndd /dev/ip ip_forwarding
/* Tells you if forwarding is on (=1) */
ndd -set /dev/ip ip_forwarding 1
/* Enables IP forwarding between interfaces */
File Manipulation
dos2unix | -ascii <filename>
/* Converts DOS file formats to Unix */
split
/* Split files into pieces */
[vi] : %s/existing/new/g
/* Search and Replace text in vi */
[vi] :set nu
/* Set line numbers in vi */
[vi] :set ts=[num]
/* Set tab stops in vi */
File System
cat /dev/null > filename
/* Zero's out the file without breaking pipe */
dd if=/dev/rdsk/... of=/dev/rdsk/... bs=4096
/* Make a mirror image of your boot disk */
df -k | grep dg| awk '{print $6}' |xargs -n 1 umount
/* Unmount all file systems in disk group dg */
fsck -F ufs /dev/rdsk/c0t0d0s0
/* Check a UFS filesystem on c0t0d0s0 */
fsck -F ufs -y /dev/rdsk/c0t0d0s0
/* Check answering yes to all questions */
fsck -F ufs -o b=97472 /dev/rdsk/c0t0d0s0
/* Check using an alternate super block */
gzip -dc file1.tar.gz | tar xf -
/* Unpack .tar.gz files in place */
ls -la | awk '{ print $5," ",$9 }' | sort -rn
/* File sizes of current directory */
mount -f pcfs /dev/dsk/c0d0p1 /export/dos
/* Mount DOS fdisk partition from Solaris */
mount -F ufs -o rw,remount /
/* Used to remount root to make it writeable */
mount -o remount,logging /spare
/* Re-mount the ro file system rw and turn on ufs logging */
tar cvf filename.tar
/* Create a tape (tar) archive */
tar xvf filename.tar
/* Extract a tape (tar) archive */
tar cf - . | (cd /newdir ; tar xf -)
/* Recursively copy files and their permissions */
/sbin/uadmin x x
/* Syncs File Systems and Reboots systems fast */
zcat <patch_file.tar.Z | tar xvf -
/* Extract the patch_file that is a compressed tar file */
File Transfer
put "| tar cf - ." filename.tar
/* Undocumented Feature of FTP */
find . -depth | cpio -pdmv /path/tobe/copied/to
/* Fast alternative to cp -pr */
sendport
/* Transferring large numbers of files within the same ftp control session */
General
/usr/bin/catman -w
/* Create windex databases for man page directories */
mailx -H -u <username>
/* List out mail headers for specified user */
set filec
/* Set file-completion for csh */
Hardware
cfgadm
/* Verify reconfigurable hardware resources */
m64config -prconf
/* Print M64 hardware configuration */
m64config -depth 8|24
/* Sets the screen depth of your M64 graphics accelerator */
m64config -res 'video_mode'
/* Change the resolution of your M64 graphics accelerator */
Kernel
/usr/sbin/modinfo
/* Display kernel module information */
/usr/sbin/modload <module>
